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Cornerstone Staffing Solutions, Inc.: data breach filings, state by state

Cornerstone Staffing Solutions, Inc. has 6 data breach filings on record in 6 government portals. The latest was reported to Texas AG on Sep 15, 2026, with 4,425 Texas residents. Data exposed, as filed: Social Security number, Driver's license / state ID, Passport number, Financial / bank account, Medical / health information, Health insurance, Date of birth, Postal address, Usernames / passwords, Military ID.

5,349residents counted in 3 states (TX, MA, WA). Latest filing per state, last twelve months
366,122people in total, as reported to Texas AG on Sep 15, 2026
6filings in 6 government portals
Sep 15, 2026latest filing, Texas AG

By portal

PortalFilingsLatest reportPeople in the latest filing
Texas AG1Sep 15, 20264,425 Texas residents
Massachusetts OCABR1Sep 12, 2026243 Massachusetts residents
Oregon DOJ1Sep 11, 2026366,122 in total
California AG1Sep 11, 2026Not published
Iowa AG1Sep 11, 2026Not published
Washington AG1Sep 11, 2026681 Washington residents

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Nov 6, 2025 to Nov 21, 2025
Discovered
Nov 17, 2025, as stated in the Iowa letter
Offered to those affected
12 months of credit or identity monitoring through Experian
Third party named
Yes, the letter attributes the incident to a vendor or service provider
Days to notice
Past the statutory period in all 4 states that set one, counted from discovery to each state's first record

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

The next state to file on Cornerstone Staffing Solutions, Inc. reaches subscribers within the hour. With the count, the data exposed and the letter. The Team plan follows the companies and vendors you name in every state. Start a 14-day free trial.
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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Cornerstone Staffing Solutions, Inc. Texas AG TX Sep 15, 2026 4,425 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+5
Cornerstone Staffing Solutions, Inc. Massachusetts OCABR MA Sep 12, 2026 243 Social Security numberMedical / health informationFinancial / bank accountDriver's license / state ID
Cornerstone Staffing Solutions, Inc. Oregon DOJ OR Sep 11, 2026 366,122 Not stated
Cornerstone Staffing Solutions, Inc. California AG CA Sep 11, 2026 Not published In the letter (PDF)
Cornerstone Staffing Solutions, Inc Iowa AG IA Sep 11, 2026 Not published Name
Cornerstone Staffing Solutions, Inc. Washington AG WA Sep 11, 2026 681 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+6

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.